Contributors

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Contents


The following companies contribute to Btrfs code, not counting the treewide and other subsystem changes. Infrequent contributions are not reflected in this list, please have a look to the git history for complete list.

Sorted alphabetically:

  • Facebook
  • Fujitsu
  • SUSE
  • Oracle

The following contributed in the past (sorted alphabetically):

  • Fusion-IO
  • Intel
  • Linux Foundation
  • Red Hat
  • STRATO AG

Statistics for 4.x series

Version Contributors SLOC Raw lines Patches Diffstat
4.0 22 85849 115716 97 +1622 -937
4.1 25 87596 118253 120 +2415 -1062
4.2 19 87935 118790 119 +2392 -1855
4.3 23 88384 119576 74 +1516 -730
4.4 26 89543 121456 138 +3184 -1304
4.5 26 91708 124363 127 +4370 -1462
4.6 29 92134 125045 100 +1890 -1208
4.7 33 92922 126264 161 +3721 -2502
4.8 22 93769 127392 114 +2732 -1604
4.9 25 94237 128040 64 +1959 -1311
4.10 24 94303 128156 105 +4874 -4758
4.11 24 94365 128340 210 +2084 -1900
4.12 21 94931 129230 85 +1803 -913
4.13 29 93892 127970 135 +2017 -1607
4.14 28 94296 124346 132 +2114 -1520
4.15 30 97091 132221 128 +3761 -1795
4.16 25 97637 133305 188 +2562 -1481
4.17 21 98027 133003 194 +2723 -3024

Legend:

  • Files: fs/btrfs/*.[ch], fs/btrfs/tests/*.[ch], include/uapi/linux/btrfs.h, include/uapi/linux/btrfs_tree.h, include/linux/btrfs.h, include/trace/events/btrfs.h
  • Version: mainline version
  • Contributors: number of people that sent patches that modified Files, direct btrfs development or originating from other tree-wide changes
  • SLOC: lines of code, http://dwheeler.com/sloccount/ (generated by version 2.26)
  • Raw lines: counted by wc -l over Files
  • Patches: number of patches from Contributors, merge commits excluded
  • Diffstat: lines added and deleted in Files

Statistics for 3.x series

Version Contributors SLOC Raw lines Patches Diffstat
3.0 25 48665 65192 126 +7508 -5175
3.1 24 48647 65248 106 +1762 -1586
3.2 30 51574 69552 184 +6344 -2040
3.3 27 56216 75485 129 +7151 -1218
3.4 25 57865 77671 118 +4597 -2411
3.5 21 59683 79983 108 +3570 -1258
3.6 25 65894 88123 104 +9145 -1005
3.7 30 67348 90171 151 +3802 -1754
3.8 25 70289 93916 161 +5599 -1854
3.9 29 73414 98602 160 +6430 -1242
3.10 24 74449 99980 133 +3529 -2151
3.11 21 74875 100657 100 +2538 -1857
3.12 32 76265 102497 158 +4373 -2533
3.13 24 77532 104108 123 +2741 -1123
3.14 28 79879 107069 171 +5290 -2329
3.15 27 80308 107544 152 +2389 -1914
3.16 29 82292 110331 137 +4361 -1574
3.17 19 82625 110841 44 +1060 -550
3.18 25 83910 112906 149 +3696 -1631
3.19 18 85420 115031 82 +2802 -677

Statistics for 2.6.x series

Version Contributors SLOC Raw lines Patches Diffstat
2.6.30 22 33838 45377 70 +4403 -2632
2.6.31 19 38825 51693 68 +9207 -2862
2.6.32 15 40211 53515 95 +4291 -2469
2.6.33 17 40408 53806 43 +1332 -1041
2.6.34 18 41100 54715 54 +1374 -465
2.6.35 14 43014 57082 50 +5230 -2863
2.6.36 4 43016 57088 6 +39 -33
2.6.37 17 44781 59491 83 +3104 -701
2.6.38 23 46573 61980 90 +3472 -983
2.6.39 28 47206 62859 102 +2115 -1236
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